19  * DOC: basic gateable clock which can gate and ungate its output
42 	struct clk_gate2 *gate = to_clk_gate2(hw);  in clk_gate2_enable()  local
47 	spin_lock_irqsave(gate->lock, flags);  in clk_gate2_enable()
49 	if (gate->share_count && (*gate->share_count)++ > 0)  in clk_gate2_enable()
52 	if (gate->flags & IMX_CLK_GATE2_SINGLE_BIT) {  in clk_gate2_enable()
55 		reg = readl(gate->reg);  in clk_gate2_enable()
56 		reg &= ~(3 << gate->bit_idx);  in clk_gate2_enable()
57 		reg |= gate->cgr_val << gate->bit_idx;  in clk_gate2_enable()
58 		writel(reg, gate->reg);  in clk_gate2_enable()
62 	spin_unlock_irqrestore(gate->lock, flags);  in clk_gate2_enable()
69 	struct clk_gate2 *gate = to_clk_gate2(hw);  in clk_gate2_disable()  local
73 	spin_lock_irqsave(gate->lock, flags);  in clk_gate2_disable()
75 	if (gate->share_count) {  in clk_gate2_disable()
76 		if (WARN_ON(*gate->share_count == 0))  in clk_gate2_disable()
78 		else if (--(*gate->share_count) > 0)  in clk_gate2_disable()
82 	if (gate->flags & IMX_CLK_GATE2_SINGLE_BIT) {  in clk_gate2_disable()
85 		reg = readl(gate->reg);  in clk_gate2_disable()
86 		reg &= ~(3 << gate->bit_idx);  in clk_gate2_disable()
87 		writel(reg, gate->reg);  in clk_gate2_disable()
91 	spin_unlock_irqrestore(gate->lock, flags);  in clk_gate2_disable()
106 	struct clk_gate2 *gate = to_clk_gate2(hw);  in clk_gate2_is_enabled()  local
108 	if (gate->flags & IMX_CLK_GATE2_SINGLE_BIT)  in clk_gate2_is_enabled()
111 	return clk_gate2_reg_is_enabled(gate->reg, gate->bit_idx);  in clk_gate2_is_enabled()
116 	struct clk_gate2 *gate = to_clk_gate2(hw);  in clk_gate2_disable_unused()  local
120 	if (gate->flags & IMX_CLK_GATE2_SINGLE_BIT)  in clk_gate2_disable_unused()
123 	spin_lock_irqsave(gate->lock, flags);  in clk_gate2_disable_unused()
125 	if (!gate->share_count || *gate->share_count == 0) {  in clk_gate2_disable_unused()
126 		reg = readl(gate->reg);  in clk_gate2_disable_unused()
127 		reg &= ~(3 << gate->bit_idx);  in clk_gate2_disable_unused()
128 		writel(reg, gate->reg);  in clk_gate2_disable_unused()
131 	spin_unlock_irqrestore(gate->lock, flags);  in clk_gate2_disable_unused()
147 	struct clk_gate2 *gate;  in clk_hw_register_gate2()  local
152 	gate = kzalloc(sizeof(struct clk_gate2), GFP_KERNEL);  in clk_hw_register_gate2()
153 	if (!gate)  in clk_hw_register_gate2()
157 	gate->reg = reg;  in clk_hw_register_gate2()
158 	gate->bit_idx = bit_idx;  in clk_hw_register_gate2()
159 	gate->cgr_val = cgr_val;  in clk_hw_register_gate2()
160 	gate->flags = clk_gate2_flags;  in clk_hw_register_gate2()
161 	gate->lock = lock;  in clk_hw_register_gate2()
162 	gate->share_count = share_count;  in clk_hw_register_gate2()
170 	gate->hw.init = &init;  in clk_hw_register_gate2()
171 	hw = &gate->hw;  in clk_hw_register_gate2()
175 		kfree(gate);  in clk_hw_register_gate2()